Home / 97,308.24-145,677.87-87,969.66

Finding the Fourth Proportional to 97,308.24, 145,677.87 and 87,969.66

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Solution

The fourth proportional to 97,308.24, 145,677.87 and 87,969.66 is: 131,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,308.24 : 145,677.87 = 87,969.66 : x
  2. Step 2: Convert to fraction form
    97,308.24/145,677.87 = 87,969.66/x
  3. Step 3: Cross multiply
    97,308.24x = 145,677.87 × 87,969.66
  4. Step 4: Simplify right side
    97,308.24x = 12,815,232,693.42
  5. Step 5: Solve for x
    x = 12,815,232,693.42/97,308.24
  6. Step 6: Final answer
    x = 131,697.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.